61099385 has 8 divisors (see below), whose sum is σ = 76507200. Its totient is φ = 46754224.

The previous prime is 61099327. The next prime is 61099391. The reversal of 61099385 is 58399016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61099385 - 2¹⁰ = 61098361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265535 + ... + 265764.

It is an arithmetic number, because the mean of its divisors is an integer number (9563400).

Almost surely, 2^61099385 is an apocalyptic number.

It is an amenable number.

61099385 is a deficient number, since it is larger than the sum of its proper divisors (15407815).

61099385 is a wasteful number, since it uses less digits than its factorization.

61099385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531327.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 61099385 is about 7816.6095591375. The cubic root of 61099385 is about 393.8633885251.

The spelling of 61099385 in words is "sixty-one million, ninety-nine thousand, three hundred eighty-five".